Sigma-Aldrich
Aldrich® Essentials graduated cylinder, class A, meets DIN ISO 4788
Aldrich® falling-film distillation head
Aldrich® filtering flask with hose barb, heavy-wall
Aldrich® filtering flask, heavy-wall
Aldrich® flexible support system
Aldrich® fritted filter funnel
Aldrich® glass mercury trap
Aldrich® heavy-duty Vigreux, jacketed distillation head
Aldrich® high-vacuum glass stockcock, straight bore
Aldrich® hollow pennyhead stopper
Aldrich® in-line oil bubbler
Aldrich® jacketed Buchner funnel with joint
Aldrich® Liebig condenser with cup
Aldrich® low-pressure manifold needle valve